Date: Sun, 21 Dec 2003 14:26:04 -0500 From: Mathew Kanner <mat@cnd.mcgill.ca> To: Gordon Bergling <gbergling@0xfce3.net> Cc: freebsd-current@freebsd.org Subject: Re: issues between ATAng and pcm Message-ID: <20031221192604.GH85297@cnd.mcgill.ca> In-Reply-To: <20031221143720.GA3453@nemesis.md.0xfce3.net> References: <20031221143720.GA3453@nemesis.md.0xfce3.net>
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On Dec 21, Gordon Bergling wrote: > Hi @all, > > I discovering a strange behavior which seems to be caused of issues > between ATAng and pcm looking. I start burning a cdr with an atapi > cdrw drive at low speed (4x) and the sound which is played by xmms is > getting slower and slower. After a few seconds the system isn't responding > anymore. One tone is played all the time and the system seems to be hard > locked up. After nearly 60 seconds the system resumes normal operations. > I had tried 3 times and the result is allways the same. > > My hardware is: > ad0: 43979MB <IBM-DTLA-307045> [89355/16/63] at ata0-master UDMA100 > acd0: CDROM <CD-540E> at ata1-master PIO4 > acd1: CDRW <R/RW 8x4x32> at ata1-slave PIO4 > cd0 at ata1 bus 0 target 0 lun 0 > cd0: <TEAC CD-540E 1.0A> Removable CD-ROM SCSI-0 device > cd0: 16.000MB/s transfers > cd0: Attempt to query device size failed: NOT READY, Medium not present > cd1 at ata1 bus 0 target 1 lun 0 > cd1: <IDE-CD R/RW 8x4x32 2,0> Removable CD-ROM SCSI-0 device > cd1: 16.000MB/s transfers > cd1: Attempt to query device size failed: NOT READY, Medium not present > da0 at ahc0 bus 0 target 6 lun 0 > da0: <IBM DDRS-34560D DC1B> Fixed Direct Access SCSI-2 device > da0: 40.000MB/s transfers (20.000MHz, offset 8, 16bit), Tagged Queueing > Enabled > da0: 4357MB (8925000 512 byte sectors: 255H 63S/T 555C) Hello Gordon, What happens when you enable atapi dma? echo "hw.ata.atapi_dma=1" >> /boot/loader.conf --Mat -- If you optimize everything, you will always be unhappy. - Don Knuth
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